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Cynergy Bank: Cash ISA reviews

Name: Cash ISA
Rating: 4.87 (159 reviews)

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4.87

Based on 159 reviews, last reviewed 26th Mar 2026

14700% increase in 5 star reviews

in the past 90 days

200% increase in 1 star reviews

in the past 90 days

93%

2 star

Latest highest rating:

5

Cynergy review Clear website. Decent rates. More content is unessaessary Reviewed on: 26th March 2026

Latest lowest rating:

1

terrible telephone customer service at ISA maturity. terrible telephone customer service at ISA maturity. apparent new online system that was not functional 11 days before maturity. no workaround. had ap... Read more Reviewed on: 23rd March 2026

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About this product

Cynergy Bank have a range of cash ISAs.

You can choose from fixed rate cash ISAs or easy access cash ISAs. Cynergy Bank cash ISAs can be opened with a minimum of £500. You can open and manage a Cynergy Bank cash ISA online.

Cynergy Bank cash ISA reviews help you find out what it’s really like to be a customer. If you’ve used Cynergy Bank before, you can also leave a review and share your experience.

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Cynergy Bank Cash ISA reviews (159)

Brilliant bank, great online capability

Brilliant bank, find the online capability really easy to use and they offer good rates as well. Reviewed on: 23rd March 2026

Excellent ISA.

Always friendly helpful agents. Excellent product Reviewed on: 23rd March 2026

App a little difficult to manage but customer advise...

App a little difficult to manage but customer adviser very helpful to help progress my application Reviewed on: 23rd March 2026

queries sorted .

I had a couple of questions when opening the ISA , called them and they answered them , no problem . Reviewed on: 23rd March 2026

Good & smart way of banking with good interest rates...

Good & smart way of banking with good interest rates too Reviewed on: 23rd March 2026

Easy to open account on-line and competetive interes...

Easy to open account on-line and competetive interest rates offerred Reviewed on: 23rd March 2026

Easily navigable website with ample information on p...

Easily navigable website with ample information on product Reviewed on: 23rd March 2026

Contact Cynergy

I am most impressed with how easy it is to contact Cynergy. And how friendly, knowledgeable, patient and helpful the staff is. Savings and isa rates have always been competitive and it is very easy to renew contracts. Reviewed on: 23rd March 2026

Cash ISA's both returning above 4%

I am happy with my two Cash ISA's, both returning above 4% Reviewed on: 23rd March 2026

Great rates and customer services .

Great rates and customer services . Easy to understand how to apply when you find the product you are looking for Reviewed on: 23rd March 2026

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